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Global Seismographic Network

Overview page. Subjects: Earth Sciences and Geography.

(GSN)

A network of permanent seismographic stations (see seismograph) deployed evenly over the Earth's surface. When complete, the GSN will comprise 150 stations, continuously...

See overview in Oxford Index

Global Seismographic Network

Overview page. Subjects: Earth Sciences and Geography.

(GSN)

A network of permanent seismographic stations (see seismograph) deployed evenly over the Earth's surface. When complete, the GSN will comprise 150 stations, continuously...

See overview in Oxford Index

Global Seismographic Network

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 58 words.

A network of permanent seismographic stations (see seismograph) deployed evenly over the Earth's surface. When complete, the GSN

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Global Seismographic Network

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 72 words.

A network of permanent seismographic stations (see seismograph) deployed evenly over the Earth's surface. The GSN comprises more than 150 stations, continuously recording...

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Worldwide Standardized Seismographic Network

Ivan G. Wong.

in The Oxford Companion to the Earth

January 2000; p ublished online January 2003 .

Reference Entry. Subjects: Earth Sciences and Geography. 372 words.

One of the most significant advances in earthquake seismology occurred in the early 1960s when a global network of seismograph

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International Federation of Digital Seismic Networks (FDSN)

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 61 words.

A worldwide organization that coordinates the work of groups that install and maintain *seismographs either globally or within their own territories. Membership is open to any group...

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Near real-time simulations of global CMT earthquakes

Jeroen Tromp, Dimitri Komatitsch, Vala Hjörleifsdóttir, Qinya Liu, Hejun Zhu, Daniel Peter, Ebru Bozdag, Dennis McRitchie, Paul Friberg, Chad Trabant and Alex Hutko.

in Geophysical Journal International

October 2010; p ublished online October 2010 .

Journal Article. Subjects: Geophysics. 3668 words.

Summary

We have developed a near real-time system for the simulation of global earthquakes. Prompted by a trigger from the Global Centroid Moment Tensor...

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W phase source inversion for moderate to large earthquakes (1990–2010)

Zacharie Duputel, Luis Rivera, Hiroo Kanamori and Gavin Hayes.

in Geophysical Journal International

May 2012; p ublished online May 2012 .

Journal Article. Subjects: Geophysics. 12319 words.

Summary

Rapid characterization of the earthquake source and of its effects is a growing field of interest. Until recently, it still took several hours to...

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Rupture processes of the 1999 August 17 Izmit and November 12 Düzce (Turkey) earthquakes

R. Tibi, G. Bock, Y. Xia, M. Baumbach, H. Grosser, C. Milkereit, S. Karakisa, S. Zünbül, R. Kind and J. Zschau.

in Geophysical Journal International

February 2001; p ublished online February 2001 .

Journal Article. Subjects: Geophysics. 3047 words.

SUMMARY

We derive the rupture history of the 1999 August 17 Izmit (Mw =7.4) and 1999 November 12 Düzce (Mw =7.1) earthquakes in...

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Complex shallow mantle beneath the Dharwar Craton inferred from Rayleigh wave inversion

Kajaljyoti Borah, S. S. Rai, Keith Priestley and V. K. Gaur.

in Geophysical Journal International

P ublished online June 2014 .

Journal Article. Subjects: Geophysics. 6695 words.

The 3-D shear velocity structure beneath South India's Dharwar Craton determined from fundamental mode Rayleigh waves phase velocities reveals the existence of anomalously high velocity...

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Search for seismic discontinuities in the lower mantle

Lev Vinnik, Mamoru Kato and Hitoshi Kawakatsu.

in Geophysical Journal International

September 2001; p ublished online September 2001 .

Journal Article. Subjects: Geophysics. 9562 words.

Summary

Indications of lower mantle discontinuities have been debated for decades, but still little is known about their properties, and their origins are...

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The 1996 June 17 Flores Sea and 1994 March 9 Fiji—Tonga earthquakes: source processes and deep earthquake mechanisms

R. Tibi, C. H. Estabrook and G. Bock.

in Geophysical Journal International

September 1999; p ublished online September 1999 .

Journal Article. Subjects: Geophysics. 0 words.

Summary

Source parameters of the 1996 Flores Sea and 1994 Fiji–Tonga deep earthquakes are derived from teleseismic body waves recorded by the global seismic...

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Core structure re-examined using new teleseismic data recorded in Antarctica: evidence for, at most, weak cylindrical seismic anisotropy in the inner core

Daniel Leykam, Hrvoje Tkalčić and Anya M. Reading.

in Geophysical Journal International

March 2010; p ublished online March 2010 .

Journal Article. Subjects: Geophysics. 7940 words.

Summary

We present a significant addition to the data set of traveltimes of seismic PKP waves that sample the Earth's lowermost mantle and core along the...

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An improved UK local magnitude scale from analysis of shear and <i>Lg</i>-wave amplitudes

David C. Booth.

in Geophysical Journal International

May 2007; p ublished online May 2007 .

Journal Article. Subjects: Geophysics. 6546 words.

Summary

The amplitudes of shear and Lg waves recorded at UK seismograph stations from local earthquakes in the range 0–600 km have been subjected to an...

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Multistep modelling of teleseismic receiver functions combined with constraints from seismic tomography: crustal structure beneath southeast China

Hrvoje Tkalčić, Youlin Chen, Ruifeng Liu, Huang Zhibin, Li Sun and Winston Chan.

in Geophysical Journal International

October 2011; p ublished online October 2011 .

Journal Article. Subjects: Geophysics. 12649 words.

Summary

With a growing number of modern broad-band seismographic stations in Asia, the conditions have improved to allow higher resolution structural studies...

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Finite frequency effects on global <i>S</i> diffracted traveltimes

Akiko To and Barbara Romanowicz.

in Geophysical Journal International

December 2009; p ublished online December 2009 .

Journal Article. Subjects: Geophysics. 7079 words.

Summary

Many seismic observations have shown that strong heterogeneities exist in the bottom few hundreds kilometres of the mantle. Among different seismic...

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The 2005 Ilan earthquake doublet and seismic crisis in northeastern Taiwan: evidence for dyke intrusion associated with on-land propagation of the Okinawa Trough

Kuang-Yin Lai, Yue-Gau Chen, Yih-Min Wu, Jean-Philippe Avouac, Yu-Ting Kuo, Yu Wang, Chien-Hsin Chang and Kuan-Chuan Lin.

in Geophysical Journal International

November 2009; p ublished online November 2009 .

Journal Article. Subjects: Geophysics. 4932 words.

Summary

Northern Taiwan underwent mountain building in the early stage of the Taiwan orogeny but is currently subjected to post-collisional crustal...

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Crustal structure beneath southern Africa: insight into how tectonic events affect the Mohorovičić discontinuity

Jonathan R. Delph and Ryan C. Porter.

in Geophysical Journal International

P ublished online November 2014 .

Journal Article. Subjects: Volcanology and Seismology. 8430 words.

The long and complex history of southern Africa makes it a geological nexus for understanding how crust forms, evolves and survives plate tectonic processes over billions of years. The goal...

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Anisotropic shear zones revealed by backazimuthal harmonics of teleseismic receiver functions

J. Park and V. Levin.

in Geophysical Journal International

P ublished online August 2016 .

Journal Article. Subjects: Volcanology and Seismology. 17181 words.

Backazimuth-dependent Ps conversion, observed in seismic receiver functions (RFs) is generated by [math] and [math] waves that help match the shear-polarized displacement of hybrid [math]...

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